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  1. Need advise please help

    01-04.5 LB7 Duramax Powertrain
    Hey guy I was hoping to get some good advise I'm looking into buying a Duramax. It's a 03 gmc lb7 with 130k on it it's a slt the guy had put in brand new injectors a year ago here are some of the mods MOTOR- BRAND NEW INJECTORS, NEW HTT TURBO 64-71-13 SS HOUSING, FULLY BUILT SUNCOAST IV...
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